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JH21 SERIES OF PNEUMATIC FRICTION USE:
1. Suitable for various cold stamping process ：blanking, punching, molding, bending, pulling and stretching etc.
2. Widely used in the field of electrical appliances, vehicles, agricultural machinery, tractors, mining machinery, hardware and tools, machinery manufacturing, and other industrial.
JH21 SERIES OF PNEUMATIC FRICTION STRUCTURE:
1. Welded body with steel plate ,higher stiffness and accuracy.
2.Adopts longitudinally placed crankshaft, compact structure and handsome appearance.
3. Achieves die height adjustment electrically with digital display.
4.Slider ,square figure long guide with six frictions and bronze liner ,which is higher precision.
5. Adopts combined frication clutch and brake ,engages stably and runs sensitively.
TECHNICAL PARAMETERS:
| Type | Unit | JH21-25 | JH21-45 | JH21-63 | JH21-80 | |
| Specification | ||||||
| Nominal force | kN | 250 | 450 | 630 | 800 | |
| Stroke under nominal force | mm | 3 | 4 | 4 | 4.5 | |
| Slide block stroke | mm | 80 | 100 | 120 | 120 | |
| Number of stroke | 次/min | 100 | 80 | 70 | 60 | |
| Max die set height | mm | 250 | 270 | 300 | 320 | |
| Die set height adjustment | mm | 50 | 60 | 80 | 80 | |
| Distance from slide block center to the frame | mm | 210 | 230 | 300 | 300 | |
| Workable dimensions(F·B×L·R) | mm | 400x700 | 440x810 | 580*900 | 580*1000 | |
| Dimensions of worktable | mm | Φ150 | Φ160 | Φ180 | Φ180 | |
| Thickness of bolster | mm | 80 | 110 | 110 | 120 | |
| Dimensions of slide block(F·B×L·R) | mm | 250*360 | 340*410 | 400*480 | 420*560 | |
| Dimensions of slide block(F·B×L·R) | mm | Φ40*60 | Φ40*60 | Φ50*80 | Φ60*80 | |
| Distance between columns of body | mm | 450 | 550 | 560 | 640 | |
| Motor | Type | Y100L-4 | Y132S-6 | Y132S-6 | Y132M-4 | |
| Power | kw | 3 | 5.5 | 5.5 | 7.5 | |
| Outlinedimension(F·B×L·R×H) | mm | 1300x1100x2100 | 1400x1125x2350 | 1615*1200*2570 | 1915*1385*2820 | |
| Net weight | kg | 2700 | 3600 | 5500 | 7200 | |
| JH21-100 | JH21-125 | JH21-160 | JH21-200 | JH21-250 | JH21-315 | JH21-400 |
| 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 |
| 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| 150 | 160 | 180 | 200 | 200 | 200 | 200 |
| 50 | 50 | 45 | 40 | 40 | 30 | 25 |
| 320 | 370 | 400 | 450 | 450 | 500 | 500 |
| 90 | 100 | 110 | 110 | 110 | 120 | 120 |
| 300 | 360 | 390 | 430 | 450 | 420 | 420 |
| 580*1000 | 700*1100 | 760*1200 | 840*1400 | 880*1500 | 800*1400 | 800*1400 |
| Φ180 | Φ160 | Φ180 | Φ200 | Φ250 | Φ280 | Φ280 |
| 120 | 120 | 150 | 180 | 180 | 170 | 180 |
| 420*560 | 520*620 | 580*700 | 650*880 | 700*930 | 650*850 | 650*850 |
| Φ60*80 | Φ70*80 | Φ70*100 | Φ70*100 | Φ70*100 | Φ70*90 | Φ70*90 |
| 640 | 640 | 660 | 820 | 950 | 920 | 960 |
| Y132M-4 | Y160L-6 | Y180L-6 | Y200L1-6 | Y200L2-6 | Y250M-6 | Y250M-6 |
| 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 |
| 2100*1390*3000 | 1900*1300*3300 | 2040*1360*3300 | 2370*1600*3900 | 2690*1630*3900 | 3400*1950*4100 | 3800*2200*4300 |
| 8500 | 9800 | 13200 | 19500 | 22000 | 25000 | 31000 |
